It’s fast and easy to test all your smoke alarms and there is no need to climb a ladder.
Use a can of our Aerosol Smoke Alarm and Detector Tester – if it beeps, the batteries are good, if not change them immediately.
This aerosol smoke alarm and detector tester is designed for testing Ionisation and Photoelectric type smoke alarms. These can deliver over 200 sprays and allows easy testing of smoke alarms.
Spray to smoke alarm for 1-2 seconds from a distance of 1-2 metres, alarm will activate within 10 secs if operating properly
Also, keep your alarms clean by giving them a vacuum often to keep the dust and dirt out.